USA Today reports that UFC lightweight champion Conor McGregor accompanied Olympic silver medalist Michael Conlan to the ring for his boxing debut at the small room at Madison Square Garden. During the event, McGregor spoke to the media and commented on a prospective fight with undefeated boxing champion Floyd Mayweather.

McGregor commented on taking over boxing, saying: “I’m the boxing guy, watch me take over boxing. No one in this boxing game knows what’s coming, trust me on that one. When I step in (the boxing ring), I’m going to shock the whole goddamn world. Trust me on that. Look me in the eyes — 28 years of age. Confident as a (expletive). Long, rangy. Dangerous with every hand. Trust me. I’m going to stop Floyd. You’re all going to eat your words. The whole word is going to eat their words. I am boxing.”

A fight with Mayweather and McGregor has not yet been worked out. However, UFC President Dana White stated recently on a guest appearance on Conan that he thinks the fight will happen.